74 



SCHOOL ENTOMOLOGY 



and are usually enclosed in some kind of cocoon or, at 



least, in *an earthen cell. 

 Those of butterflies are either 

 angular or smooth, but are 

 never enclosed in cocoons. 

 They are generally suspended 

 by a button of silk at the 

 tip end of the abdomen and 

 a silken girdle about the 

 middle of the body or by 

 the button alone, from some 

 twig, branch, or weed. Some 

 forms seek protection from 

 the weather and may be found 

 under trash in the winter, 

 but many are in exposed sit- 

 uations. 



Adults in this order have 

 sucking mouth-parts, often 

 poorly developed, formed 

 from the maxillae, which are 

 elongated and grooved on the 

 inner faces which join and 

 form the sucking tube. In 

 some moths this sucking tube 

 is much longer than the in- 

 sect itself. It is usually not 

 adapted to piercing but is used 

 to suck up liquids like the 

 nectar from flowers, the juice 

 from rotting fruits or from 



FIG. 47,-Sphinx Moth with even less attractive substances. 

 Mouth-parts Extended. The larvae have chewing 



